Treadmill mats are essential for protecting your floor and treadmill. They dampen the motor noise, too, so you don't drive any neighbors or roommates crazy with your training. However, not all treadmill mats are the same. Some are thicker, while others are thinner and easier to store. We have a few recommendations for treadmill mat alternatives that might actually be superior in quality and price. Read this breakdown of the best treadmill mats for our expert choices.